DK0905381T3 - Centrifugalpumpe - Google Patents

Centrifugalpumpe

Info

Publication number
DK0905381T3
DK0905381T3 DK98118463T DK98118463T DK0905381T3 DK 0905381 T3 DK0905381 T3 DK 0905381T3 DK 98118463 T DK98118463 T DK 98118463T DK 98118463 T DK98118463 T DK 98118463T DK 0905381 T3 DK0905381 T3 DK 0905381T3
Authority
DK
Denmark
Prior art keywords
centrifugal
Prior art date
Application number
DK98118463T
Other languages
English (en)
Inventor
So Kuroiwa
Original Assignee
Ebara Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ebara Corp filed Critical Ebara Corp
Application granted granted Critical
Publication of DK0905381T3 publication Critical patent/DK0905381T3/da

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/44—Free-space packings
    • F16J15/441—Free-space packings with floating ring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
    • F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DK98118463T 1997-09-30 1998-09-30 Centrifugalpumpe DK0905381T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26620097 1997-09-30

Publications (1)

Publication Number Publication Date
DK0905381T3 true DK0905381T3 (da) 2002-02-11

Family

ID=17427661

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98118463T DK0905381T3 (da) 1997-09-30 1998-09-30 Centrifugalpumpe

Country Status (8)

Country Link
US (1) US6082964A (da)
EP (1) EP0905381B1 (da)
JP (1) JP3841642B2 (da)
CN (1) CN1213044A (da)
AU (1) AU5411898A (da)
DE (1) DE69803023T2 (da)
DK (1) DK0905381T3 (da)
WO (1) WO1999017026A1 (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070080503A1 (en) * 2003-11-05 2007-04-12 Arai Seisakusho Co., Ltd. Sealing device
JP4532142B2 (ja) * 2003-12-22 2010-08-25 株式会社荏原製作所 流体機械のシール機構又は遠心ポンプ
JP4633396B2 (ja) * 2004-07-16 2011-02-16 株式会社荏原製作所 遠心式ポンプ
JP2007071147A (ja) * 2005-09-08 2007-03-22 Kr & D:Kk ポンプ駆動装置
US7429160B2 (en) * 2006-01-10 2008-09-30 Weir Slurry Group, Inc. Flexible floating ring seal arrangement for rotodynamic pumps
DE102011017339A1 (de) * 2011-04-16 2012-10-18 Volkswagen Aktiengesellschaft Kreiselpumpe
EP2535591B1 (de) * 2011-06-15 2014-04-23 Grundfos Management A/S Kreiselpumpe
FR2988783A3 (fr) * 2012-03-28 2013-10-04 Renault Sa Dispositif de reduction de fuites internes de pompes a roue fermee
DE102012218606A1 (de) 2012-10-12 2014-04-17 Ksb Aktiengesellschaft Spaltring mit selbstregulierendem Drosselspalt
ITFI20120210A1 (it) * 2012-10-15 2014-04-16 Nuovo Pignone Srl "high efficiency low specific speed centrifugal pump"
US9803650B2 (en) * 2014-11-04 2017-10-31 Hanwha Techwin Co., Ltd. Sealing device
RU2717482C1 (ru) * 2019-05-17 2020-03-23 Акционерное общество "Государственный космический научно-производственный центр имени М.В. Хруничева" Щелевое уплотнение-демпфер центробежного насоса
US20220381350A1 (en) * 2020-05-11 2022-12-01 Danfoss A/S Floating ring seal for refrigerant compressor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3779667A (en) * 1972-02-24 1973-12-18 Baker Hydro Inc Semi-seal device
US4083647A (en) * 1976-05-24 1978-04-11 Viktor Arsentievich Tatkov Seal means for a centrifugal pump
CA1158922A (en) * 1980-05-02 1983-12-20 James P. Larson Free floating sealing disk for centrifugal fluid pump
IT1180991B (it) * 1984-06-07 1987-09-23 Lowara Spa Dispositivo di tenuta interposto tra girante e corpo pompa
US4948336A (en) * 1987-12-10 1990-08-14 Sundstrand Corporation Mechanical shaft seal
US4909707A (en) * 1989-02-14 1990-03-20 Itt Corporation Centrifugal pump and floating casing ring therefor
US4976444A (en) * 1989-08-21 1990-12-11 Amoco Corporation Seal and seal assembly
US5006043A (en) * 1989-11-20 1991-04-09 Sundstrand Corporation Floating annular seal with thermal compensation
US5295786A (en) * 1990-12-27 1994-03-22 Ebara Corporation Liner ring for a pump
DE4211809A1 (de) * 1992-04-08 1993-10-14 Klein Schanzlin & Becker Ag Schwimmringdichtung
JP3765595B2 (ja) * 1995-05-02 2006-04-12 日機装株式会社 竪型遠心ポンプのインペラ軸の軸シール

Also Published As

Publication number Publication date
AU5411898A (en) 1999-04-23
EP0905381B1 (en) 2001-12-19
DE69803023T2 (de) 2002-08-22
CN1213044A (zh) 1999-04-07
WO1999017026A1 (fr) 1999-04-08
DE69803023D1 (de) 2002-01-31
EP0905381A1 (en) 1999-03-31
JP3841642B2 (ja) 2006-11-01
US6082964A (en) 2000-07-04

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